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EWG's Tap Water Database — 2019 UPDATE

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Nitrate

Greene County. - Northwest Reg. Water

Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.

 

11

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.195 ppm21ND - 0.390 ppm
20130.620 ppm21ND - 1.24 ppm
20140.605 ppm21ND - 1.21 ppm
20151.27 ppm111.27 ppm
20160.565 ppm21ND - 1.13 ppm
20170.515 ppm21ND - 1.03 ppm

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.

EPA Maximum Contaminant
Level (MCL) 10 ppm

The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppm = parts per million

All test results

Date Lab ID Result
2012-02-1560777ND
2012-02-15607780.390 ppm
2013-03-19656631.24 ppm
2013-03-1965670ND
2014-02-2470107ND
2014-02-24701061.21 ppm
2015-03-24752701.27 ppm
2016-05-1080777ND
2016-05-10807801.13 ppm
2017-05-0985416ND
2017-05-09854171.03 ppm